Update flake.lock, add nix-diff to devshell

flake.lock

@@ -10,11 +10,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1665141707,
-        "narHash": "sha256-yIB7Ju7yWspzjj2xNcJSNQ4zln3o2z9buKpRYkE30d8=",
+        "lastModified": 1665402918,
+        "narHash": "sha256-ho3WvQ0D/tbpjU8IlgFTxiSuqffuCEbvuzFjsyI9SV8=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "bb224e7e82ac962031be7a36e1c4b01fb56ae8d9",
+        "rev": "31389685a5613c5abad2b79a68e080f07073a16c",
         "type": "github"
       },
       "original": {
@@ -76,11 +76,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1665119273,
-        "narHash": "sha256-neL/ZRrwk47Ke1nfjk8ltlIm+NRZyA3MBcNbqEGSBeE=",
+        "lastModified": 1665271265,
+        "narHash": "sha256-4Nn0T5YoR3bBLFnPy6Tkc8zzmzMTBjSGZq05c5hKhEI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "9fcae11ff29ca5f959b05c206f3724486c28ff07",
+        "rev": "e1f1160284198a68ea8c7fffbbb1436f99e46ef9",
         "type": "github"
       },
       "original": {
@@ -147,11 +147,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1665040200,
-        "narHash": "sha256-glqL6yj3aUm40y92inzRmowGt9aIrUrpBX7eBAMic4I=",
+        "lastModified": 1665321371,
+        "narHash": "sha256-0SO6MTW0bX6lxZmz1AZW/Xmk+hnTd7/hp1vF7Tp7jg0=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "47fd70289491c1f0c0d9a1f44fb5a9e2801120c9",
+        "rev": "236ba4df714131059945d7754c0aa3fbe9d2f74c",
         "type": "github"
       },
       "original": {
@@ -162,11 +162,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1664989420,
-        "narHash": "sha256-Q8IxomUjjmewsoJgO3htkXLfCckQ7HkDJ/ZhdYVf/fA=",
+        "lastModified": 1665259268,
+        "narHash": "sha256-ONFhHBLv5nZKhwV/F2GOH16197PbvpyWhoO0AOyktkU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "37bd39839acf99c5b738319f42478296f827f274",
+        "rev": "c5924154f000e6306030300592f4282949b2db6c",
         "type": "github"
       },
       "original": {
@@ -178,11 +178,11 @@
     },
     "nixpkgs-22_05": {
       "locked": {
-        "lastModified": 1664201777,
-        "narHash": "sha256-cUW9DqELUNi1jNMwVSbfq4yl5YGyOfeu+UHUUImbby0=",
+        "lastModified": 1665279158,
+        "narHash": "sha256-TpbWNzoJ5RaZ302dzvjY2o//WxtOJuYT3CnDj5N69Hs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "00f877f4927b6f7d7b75731b5a1e2ae7324eaf14",
+        "rev": "b3783bcfb8ec54e0de26feccfc6cc36b8e202ed5",
         "type": "github"
       },
       "original": {
@@ -245,11 +245,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1665111330,
-        "narHash": "sha256-bvL2xzSVOLBUlXQIklqHqn1M6z5aXrr3FKcqtSnGJ8I=",
+        "lastModified": 1665398664,
+        "narHash": "sha256-y/UcVB5k0Wdc0j+7whJE2+vko8m296wZYX37b2lFSpI=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "fb8f4fa9c5514dbbc7d2a7c310d8ba874c519779",
+        "rev": "af29a900f10dd6e467622202fb4f6d944d72a3a6",
         "type": "github"
       },
       "original": {
@@ -266,11 +266,11 @@
         "nixpkgs-22_05": "nixpkgs-22_05"
       },
       "locked": {
-        "lastModified": 1664204020,
-        "narHash": "sha256-LAey3hr8b9EAt3n304Wt9Vm4uQFd8pSRtLX8leuYFDs=",
+        "lastModified": 1665289655,
+        "narHash": "sha256-j1Q9mNBhbzeJykhObiXwEGres9qvP4vH7gxdJ+ihkLI=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "912f9ff41fd9353dec1f783170793699789fe9aa",
+        "rev": "0ce0449e6404c4ff9d1b7bd657794ae5ca54deb3",
         "type": "github"
       },
       "original": {

flake.nix

@@ -218,6 +218,7 @@
                   statix
                   multimarkdown
                   pngcrush
+                  nix-diff
                 ];
               };